Home / 4,195.08-6,288.39-2,108.79

Finding the Fourth Proportional to 4,195.08, 6,288.39 and 2,108.79

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Solution

The fourth proportional to 4,195.08, 6,288.39 and 2,108.79 is: 3,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.08 : 6,288.39 = 2,108.79 : x
  2. Step 2: Convert to fraction form
    4,195.08/6,288.39 = 2,108.79/x
  3. Step 3: Cross multiply
    4,195.08x = 6,288.39 × 2,108.79
  4. Step 4: Simplify right side
    4,195.08x = 13,260,893.95
  5. Step 5: Solve for x
    x = 13,260,893.95/4,195.08
  6. Step 6: Final answer
    x = 3,161.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.